2021 Audi S8 MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2021 Audi S8.

The 2021 Audi S8 has a 48V Li-Ion electric motor which is charged via standard charger.

All MPG estimates are "MPG equivalent". This is a conversion of electric energy consumption to a gasoline equivalent.

Whether you are considering a purchase of the car, or just wanting to find out how economical and environmentally friendly (or un-friendly) your 2021 Audi S8 is, we have the information you need.

🛣 How Many Miles per Gallon (MPG) Does a 2021 Audi S8 Get?

First off, the most commonly asked question. A 2021 Audi S8 gets up to 13 miles per gallon in the city, and 22 miles per gallon on the highway.

The combined average MPG for the 2021 Audi S8 is 16 miles per gallon.

💵 What is the Average Yearly Fuel Cost for a 2021 Audi S8?

The estimated fuel costs for the 2021 Audi S8 is $4,600 per year.

That value has been estimated by government regulators based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.

If you were to compare a 2021 Audi S8 to an average vehicle over 5 years, you will spend $11,500 more on fuel.

The 2021 Audi S8 is also subject to the Gas Guzzler Tax, which is a federal tax on vehicles that has a combined MPG of less than 22.5.

The combined average MPG for the 2021 Audi S8 is 16 miles per gallon, and according to the current tax for each level of MPG, you can expect to pay a tax of $3,700 per year.

🛢 How Many Barrels of Petroleum Does a 2021 Audi S8 Consume?

The 2021 Audi S8 will consume roughly 19 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.

💨 How Many Grams of CO2 Does a 2021 Audi S8 Emit?

For every mile driven, the 2021 Audi S8 will emit 545 grams of CO2, which is about 8,175,000 grams of CO2 per year.

🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 278 trees would be needed to offset emissions from the 2021 Audi S8.

Overview

The table below covers all of the miles per gallon, engine specifications, and emission details we have for the 2021 Audi S8.

City MPG 13
Highway MPG 22
Combined MPG 16
Save/Spend vs Average Car Spend $11,500
Gas Guzzler Tax $7,700
Fuel Cost $4,600
Fuel Type 1 Premium
Electric Motor 48V Li-Ion
ATV Type Hybrid
Barrels of Petroleum 19
Grams of CO2 8,175,000
Trees Needed to Offset 389
Drive All-Wheel Drive
Cylinders 8
Transmission Automatic (S8)
Vehicle Class Large Cars
Start/Stop? Yes
Supercharged? No
Turbocharged? Yes

Related Audi Models from 2021

If you're interested in other Audi models from 2021, you can find them in the table below. You can click the model link to find miles per gallon and emission information for that model.

Model Combined MPG
Q3 S-line quattro 23
R8 16
S7 22
SQ5 Sportback 20
Q7 20
A5 quattro 27
S5 23
A8 L 23
R8 Spyder 16
A8 L 21
A7 quattro 29
A8 L 18
S6 22
A4 allroad quattro 26
RS Q8 15
RS 5 20
Q5 25
TT Roadster quattro 26
RS 6 Avant 17
A6 Allroad 22

Disclaimer

Ratings were provided by the manufacturer to the U.S. Department of Energy, which is where we sourced the data. Be advised that manufacturers may have upgraded, downgraded, or changed these ratings following the compilation of this data.

MPG Buddy does not guarantee the accuracy of this data, nor are we liable for any decisions made by referencing this data. Make sure to contact the specific car manufacturer to confirm accuracy.

Link To or Reference This Page

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  • "2021 Audi S8 MPG and Fuel Economy". MPG Buddy. Accessed on December 2, 2022. http://mpgbuddy.com/cars/audi/s8/2021.

  • "2021 Audi S8 MPG and Fuel Economy". MPG Buddy, http://mpgbuddy.com/cars/audi/s8/2021. Accessed 2 December, 2022

  • 2021 Audi S8 MPG and Fuel Economy. MPG Buddy. Retrieved from http://mpgbuddy.com/cars/audi/s8/2021.